Average annual temperature is 14.9 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 248 days
Number of rainy days: 116 days
Number of snow days: 1 day
Look at detailed online map of Onverwag
* Weather data for Onverwag South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.9 | 32.2 | 31.1 | 27.0 | 24.1 | 20.2 | 20.7 | 23.4 | 30.2 | 32.2 | 37.2 | 35.7 |
| Average daytime temperature (°C) | 29.2 | 26.5 | 26.2 | 22.2 | 17.2 | 13.4 | 14.4 | 18.4 | 20.8 | 24.5 | 28.9 | 28.8 |
| Average temperature (°C) | 21.5 | 19.5 | 18.6 | 14.6 | 10.2 | 6.8 | 7.1 | 10.2 | 13.1 | 16.1 | 20.8 | 20.4 |
| Average night temperature (°C) | 14.1 | 13.2 | 11.7 | 7.5 | 4.4 | 1.3 | 0.8 | 2.4 | 5.5 | 8.1 | 12.0 | 13.1 |
| Absolute minimum temperature (°C) | 7.1 | 7.7 | 5.2 | 2.4 | -1.9 | -1.8 | -2.9 | -3.4 | -3.1 | 2.0 | 5.6 | 9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.3 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.1 | 10.9 | 10.7 | 9.7 | 8.5 | 8.6 | 8.7 | 9.9 | 10.0 | 11.4 | 11.8 | 11.6 |
| Precipitation (mm) | 56 | 77 | 38 | 19 | 87 | 6 | 24 | 2 | 27 | 17 | 24 | 77 |
| Sunny days | 16 | 11 | 16 | 22 | 22 | 25 | 25 | 29 | 24 | 23 | 22 | 13 |
| Rainy days | 15 | 17 | 15 | 8 | 9 | 5 | 5 | 2 | 6 | 8 | 8 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onverwag is at